PowerBank Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
75.11%
decreased by 1.86%
1 Week
83.74%
increased by 6.77%
1 Month
101.25%
increased by 24.28%
Analysis last updated: Friday, October 23, 2026 at 10:30 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 4.8753 | 1.74* |
| αARCH | 0.3464 | 1.52 |
| βGARCH | 0.6761 | 5.07*** |
| γleverage | -0.2161 | -0.98 |
0.914
Persistence8d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.8753 | 1.74* |
α ARCH Response to squared shocks | 0.3464 | 1.52 |
β GARCH Volatility persistence | 0.6761 | 5.07*** |
γ leverage Additional response to negative shocks | -0.2161 | -0.98 |
Persistence:
0.914
Half-life:
8 days
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